X9318 datasheet(4/10 Pages) INTERSIL

Part #	X9318

Description	Digitally Controlled Potwntiometer(XSCP)

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Manufacturer	INTERSIL [Intersil Corporation]

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4

FN8184.1

September 14, 2005

D.C. OPERATING CHARACTERISTICS

(VCC = 5V ± 10%, TA = Full Operating Temperature Range unless otherwise stated)

ENDURANCE AND DATA RETENTION

(VCC = 5V ± 10%, TA = Full Operating Temperature Range)

Notes: (1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage = [V(RW(n)(actual)) - V(RW(n)(expected))]/MI

V(RW(n)(expected)) = n(V(RH) - V(RL))/99 + V(RL), with n from 0 to 99.

(2) Relative linearity is a measure of the error in step size between taps = [V(RW(n+1)) - (V(RW(n)) - MI)]/MI

(3) 1 Ml = Minimum Increment = [V(RH) - V(RL)]/99.

(4) Typical values are for TA = 25°C and nominal supply voltage.

(5) This parameter is not 100% tested.

(6) Ratiometric temperature coefficient = (V(RW)T1(n) - V(RW)T2(n))/[V(RW)T1(n)(T1 - T2) x 10

6], with T1 & T2 being 2 temperatures, and n

from 0 to 99.

(7) Measured with wiper at tap position 31, RL grounded, using test circuit.

A.C. CONDITIONS OF TEST

Symbol

Parameter

Limits

Unit

Test Conditions

Min.

Typ.(4)

Max.

ICC

VCC active current (Increment)

1

3

mA

CS = VIL, U/D = VIL or VIH and

INC = 0.4V/2.4V @ min. tCYC

RL, RH, RW not connected

ISB

Standby supply current

300

1000

µA

CS

≥ 2.4V, U/D and INC =0.4V

RL, RH, RW not connected

ILI

CS, INC, U/D input leakage current

-10

+10

µA

VIN = VSS to VCC

VIH

CS, INC, U/D input HIGH voltage

2

VCC + 1

V

VIL

CS, INC, U/D input LOW voltage

-1

0.8

V

CIN(5)

CS, INC, U/D input capacitance

10

pF

VCC = 5V, VIN = VSS, TA = 25°C,

f = 1MHz

Parameter

Min.

Unit

Minimum endurance

100,000

Data changes per bit

Data retention

100

Years

Test Circuit

Equivalent Circuit

Force

Current

Test Point

RW

CH

CL

RW

10pF

RTOTAL

CW

25pF

RH

RL

Input pulse levels

0.8V to 2.0V

Input rise and fall times

10ns

Input reference levels

1.4V

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